Picturephone

Industry

CPC
H04Q2213/337

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Parent Industries

HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

Current Industry

H04Q2213/337Picturephone

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Picture codec and teleconference terminal equipment
- Patent number 6,285,391
- Issue date Sep 4, 2001
- Hitachi, Ltd.
- Yoji Shibata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Picture codec and teleconference terminal equipment
- Patent number 6,249,309
- Issue date Jun 19, 2001
- Hitachi, Ltd.
- Yoji Shibata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Video telephone for the real-time exchange of image and other data...
- Patent number 6,034,715
- Issue date Mar 7, 2000
- Hitachi, Ltd.
- Kiyoshi Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television telephone
- Patent number 5,966,164
- Issue date Oct 12, 1999
- Hitachi, Ltd.
- Hiroshi Gotoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Picture codec for teleconference equipment, which forms and display...
- Patent number 5,790,178
- Issue date Aug 4, 1998
- Hitachi, Ltd.
- Yoji Shibata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Picture codec and teleconference terminal equipment
- Patent number 5,777,663
- Issue date Jul 7, 1998
- Hitachi, Ltd.
- Yoji Shibata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Video conversation/monitoring system having a remote monitoring fun...
- Patent number 5,745,160
- Issue date Apr 28, 1998
- Hitachi, Ltd.
- Kiyoshi Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Picture codec and teleconference terminal equipment
- Patent number 5,689,300
- Issue date Nov 18, 1997
- Hitachi, Ltd.
- Yoji Shibata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Television telephone
- Patent number 5,677,727
- Issue date Oct 14, 1997
- Hitachi, Ltd.
- Hiroshi Gotoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video telephone
- Patent number 5,587,735
- Issue date Dec 24, 1996
- Hitachi, Ltd.
- Kiyoshi Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio and video telecommunication system with remote monitoring fun...
- Patent number 5,585,839
- Issue date Dec 17, 1996
- Hitachi Ltd.
- Kiyoshi Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for transmitting video and audio signals through an integrat...
- Patent number 5,541,982
- Issue date Jul 30, 1996
- Alcatel N.V.
- Frank Bergler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Teleconference terminal
- Patent number 5,512,938
- Issue date Apr 30, 1996
- Matsushita Electric Industrial Co., Ltd.
- Kenzo Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Voice and video communication apparatus
- Patent number 5,510,829
- Issue date Apr 23, 1996
- Canon Kabushiki Kaisha
- Akira Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video telephone
- Patent number 5,400,068
- Issue date Mar 21, 1995
- Hitachi, Ltd.
- Kiyoshi Ishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television telephone
- Patent number 5,396,269
- Issue date Mar 7, 1995
- Hitachi, Ltd.
- Hiroshi Gotoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN-based system for making a video call
- Patent number 5,371,534
- Issue date Dec 6, 1994
- AT&T Corp.
- Nuri R. Dagdeviren
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communicating apparatus having a calling party number display device
- Patent number 5,305,097
- Issue date Apr 19, 1994
- Canon Kabushiki Kaisha
- Ryoichiro Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive switching of multimedia audio and video information in an...
- Patent number 5,301,191
- Issue date Apr 5, 1994
- Canon Kabushiki Kaisha
- Masatoshi Otani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN terminal equipment control method
- Patent number 5,268,904
- Issue date Dec 7, 1993
- Ricoh Company, Ltd.
- Toshihiko Umeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN multimedia communications system
- Patent number 5,206,859
- Issue date Apr 27, 1993
- NEC Corporation
- Masaki Anzai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for signaling an existing telephone communicat...
- Patent number 4,560,833
- Issue date Dec 24, 1985
- Krone GmbH
- Jens Weber
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Picture codec and teleconference terminal equipment
- Publication number 20020018114
- Publication date Feb 14, 2002
- Yoji Shibata
- G06 - COMPUTING CALCULATING COUNTING

Picturephone

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Picture codec and teleconference terminal equipment

Picture codec and teleconference terminal equipment

Video telephone for the real-time exchange of image and other data...

Television telephone

Picture codec for teleconference equipment, which forms and display...

Picture codec and teleconference terminal equipment

Video conversation/monitoring system having a remote monitoring fun...

Picture codec and teleconference terminal equipment

Television telephone

Video telephone

Audio and video telecommunication system with remote monitoring fun...

Device for transmitting video and audio signals through an integrat...

Teleconference terminal

Voice and video communication apparatus

Video telephone

Television telephone

ISDN-based system for making a video call

Communicating apparatus having a calling party number display device

Adaptive switching of multimedia audio and video information in an...

ISDN terminal equipment control method

ISDN multimedia communications system

Method and apparatus for signaling an existing telephone communicat...

Patents Applicationslast 30 patents

Picture codec and teleconference terminal equipment